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  • Can't get Monit to work

    - by Andrea
    I am trying to configure Monit on my local machine to get a taste at how it works, but I have some issues. What I am trying to do is to get any evidence that Monit is up and running correctly and is actually monitoring something. So my /etc/monit/monitrc looks like set daemon 60 set logfile /var/log/monit.log set idfile /var/lib/monit/id set statefile /var/lib/monit/state set eventqueue basedir /var/lib/monit/events slots 100 set httpd port 2812 and allow username:password check process apache2 with pidfile /usr/local/apache/logs/apache2.pid start program = "/etc/init.d/apache2 start" stop program = "/etc/init.d/apache2 stop" if failed port 6543 protocol http then exec "/usr/bin/touch /tmp/monit" If I understand correctly, since apache does not listen on port 6543 (it is just a random number) I should get an error, and as a consequence the file /tmp/monit should be created. So I start monit by sudo service monit start sudo monit monitor apache2 Unfortunately no such file is created. Instead the web console shows an error for apache - execution failed. The log says 'apache2' failed to start. What am I doing wrong? EDIT As suggested in the comments, I ran monit in verbose mode, by monit -vv monitor apache2 (the exact command suggested in the comments failed). The output is Runtime constants: Control file = /etc/monit/monitrc Log file = /var/log/monit.log Pid file = /var/run/monit.pid Debug = True Log = True Use syslog = False Is Daemon = True Use process engine = True Poll time = 60 seconds with start delay 0 seconds Expect buffer = 256 bytes Event queue = base directory /var/lib/monit/events with 100 slots Mail from = (not defined) Mail subject = (not defined) Mail message = (not defined) Start monit httpd = True httpd bind address = Any/All httpd portnumber = 2812 httpd signature = True Use ssl encryption = False httpd auth. style = Basic Authentication The service list contains the following entries: Process Name = apache2 Pid file = /usr/local/apache/logs/apache2.pid Monitoring mode = active Start program = '/etc/init.d/apache2 start' timeout 30 second(s) Stop program = '/etc/init.d/apache2 stop' timeout 30 second(s) Existence = if does not exist 1 times within 1 cycle(s) then restart else if succeeded 1 times within 1 cycle(s) then alert Pid = if changed 1 times within 1 cycle(s) then alert Ppid = if changed 1 times within 1 cycle(s) then alert Port = if failed localhost:6543 [HTTP via TCP] with timeout 5 seconds 1 times within 1 cycle(s) then exec '/usr/bin/touch /tmp/prova-monit' timeout 0 cycle(s) else if succeeded 1 times within 1 cycle(s) then alert System Name = system_andrea-Vostro-420-Series Monitoring mode = active

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  • Sending email using SMTP (Gmail) from Hudson CI

    - by jensendarren
    How can I set up Hudson CI so that I can send out emails from the server following a build failure? At the moment all I get is the following error: com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.0 Must issue a STARTTLS command first One solution is to start Hudson as follows: java -Dmail.smtp.starttls.enable="true" -jar /usr/share/hudson/hudson.war However, I am already using the following to start Hudson: sudo /etc/init.d/hudson start I am thinking the solution is to somehow set the system property mail.smtp.starttls.enable in a property file somewhere, but I have no idea how to do that. What are my options? Thank you all in advance!

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  • How much should a Systems Administrator be making?

    - by Curtis
    Hello, I'm a Sys Admin for a small (but successful and growing) company (~60 employees). I've got roughly 5-6 years of actual sys admin experience, plus another 5+ years of lower level work in the industry. I'm responsible for most everything above a helpdesk level in the company (server[windows]/network[cisco]/firewall/SAN[emc] setup/configuration/maintenance/troubleshooting), lead many projects, analyze system data -- I'm sure you've heard it all before...I have a bunch of certs, most are just "nice to have", but the ones that actually apply to my role are CCNA, MSCE, VCP (VMware). If things go wrong, I'm first in line to resolve the issue. I'm not management (no one reports to me). I've seen many of these sorts of questions online before, and I know the typical response is "too many variables, depends on location, industry type" etc etc. I'm just wondering (ballpark) what I should be looking for. I've tried to give as much detail as I can, but if I'm missing something, I'd be glad to post it. Thanks anyone.

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  • Howt to grant network access to LocalSystem account?

    - by Ian Boyd
    How do you grant access to network resources of the LocalSystem (NT AUTHORITY\SYSTEM) account? When accessing the network, the LocalSystem account acts as the computer on the network: ...and acts as the computer on the network. Or to say the same thing again: The LocalSystem account acts as the computer on the network: When a service runs under the LocalSystem account on a computer that is a domain member, the service has whatever network access is granted to the computer account, or to any groups of which the computer account is a member. How does one grant a "computer" access to a shared folder and files? Note: Computer accounts typically have few privileges and do not belong to groups. So how would i grant a computer access to one of my shares; considering that "Everyone" already has access? Note: workgroup

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  • Sending email using smpt (Gmail) from Hudson CI

    - by jensendarren
    How can I set up Hudson CI so that I can send out emails from the server following a build failure? At the moment all I get is the following error: com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.0 Must issue a STARTTLS command first One solution is to start Hudson as follows: java -Dmail.smtp.starttls.enable="true" -jar /usr/share/hudson/hudson.war However, I am already using the following to start Hudson: sudo /etc/init.d/hudson start I am thinking the solution is to somehow set the system property mail.smtp.starttls.enable in a property file somewhere, but I have no idea how to do that. What are my options? Thank you all in advance!

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  • Separating user resources - Windows Server 2008 (Terminal Server)

    - by Christopher Wilson
    At the moment I am running a Windows Terminal Server 2008 for around 10 clients that use the server to run programs and access data. Is there anyway to separate the resources of each user so that they do not impact each other in terms of resources. User 1: Opens program User 2: Notices slow down I have looked into using Windows System Resource Manager but do not know if it provides what I need and if there are any other 3rd party tools that also provide this functionality. Any answer is appreciated. Server Specs: HP ProLiant ML110 G7 Processor: Intel® Xeon® E3-1220 (4 core, 3.1 GHz, 8MB, 80W, 1333/t) RAM: 12GB DDR3 ECC 1TB HDD

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  • Dismissing systray balloons with the keyboard?

    - by rangerchris
    This is probably a supplementary question to how to access the systray using the keyboard... I've read that, and done some googling (google fu lacking, or there really is no answer), but I can't find a nice quick keyboard shortcut to dismiss those info balloons that apps in the system tray choose to display every now and then. The hints for access in the linked question can't be used to close the balloon (and least when I've tried them here). Now I know I can wait for a timeout and they'll go away but if I can just hit , that'd be fanstastic. So... anyone aware of a keyboard shortcut?

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  • Windows 7 Computer Maintenance - Restore removed Desktop Shortcuts

    - by HaydnWVN
    I'm aware about the inbuilt nightmate 'tool' of Microsofts which is making every network administrators job a nightmare (if left turned on). In short it'll happily delete every desktop shortcut to a network resource. We have it disabled by default. My question is related to recovering these shortcuts, Windows doesn't seem to dump them into the Recycle Bin and although you can 'restore previous versions' of the Desktop folder, you are unable to do it with the user logged in... Rather a problem if you only have the 1 user account. We have a user who (although the 'Computer Maintenance' tool is turned off) had it come up in 'Action Centre' and chose to run it. I've been unable to reproduce it, but the tool has certainly run (and removed 24 shortcuts from her desktop) although it is still saying 'Windows is not checking your system for maintenance problems'. ?! Very fustrating! Any ideas if these shortcuts are backed up/moved elsewhere so i can easily find and restore them?

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  • What is the best OS for a server hosting a simple Ruby on Rails based pastebin

    - by Koning Baard XIV
    I have created a simple pastebin in Ruby on Rails and Python. I want to host it in an intranet and it will have like about 1000 users. I want to use one Apache server with a cluster of Mongrel servers. The server itself is a 2 GHz Intel Centrino with 2 GB RAM. What do you think is the best OS to host this? I thought about Damn Small Linux or a custom LFS system. Ubuntu servers come with loads of stuff I don't need. Maybe there are some better OSes? It must be capable of: Running Apache Running Ruby Running Python Running Mongrel with Ruby on Rails SSH Can anyone reccomend me one? Thanks. PS: I am not going to run Windows Server or Mac OS X Server (Mac's are expensive).

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  • Fault tolerance with a pair of tightly coupled services

    - by cogitor
    I have two tightly coupled services that can run on completely different nodes (e.g. ServiceA and ServiceB). If I start up another replicated copy of both these services for backup purposes (ServiceA-2 and ServiceB-2), what would be the best way of setting up a fault tolerant distributed system such that on a fault in any of the tightly coupled services ServiceA or ServiceB the whole communication should go through backup ServiceA-2 and ServiceB-2? Overall, all the communication should go either through both services or their backup replicas. |---- Service A | | Service B | | (backup branch - used only on fault in Service A or B) ---- Service A-2 | Service B-2 Note that in case that Service A goes down, data from Service B would be incorrect (and vice versa). Load balancing between the primary and backup branch is also not feasible.

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  • How to add/remove codecs in linux

    - by agg
    Friends, I'm new to Linux, I need to work on Linux. I have ported Linux to AT91SAM9261-EK board. Now i need to work on Codecs. I just know the definition of codec from wikipedia, Now i need add my own codec to the board. I want to know, Where codec will be preset in 1)File System, 2)Kernel or 3)Player And how to add codec while building entire source, please tell me the steps i need follow. And also how to remove the codec. How to play the video files from pendrive in console, now i can play audio by command 'mplayer "filename" '. Don't know how to play video. Please help me, How to do this. Regards AGG

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  • Dell poweredge 1850's - wont install os

    - by user1326789
    I have 3 of these dell 1850 rack servers. 1 has 3GB RAM and 2 73GB HDD's. 2 have 6GB RAM and each of them has 2 73GB HDD's. I am currently trying to install an os on them but when i boot with windows xp setup, it gives me an error saying no partition found. Now i have set these drives up in RAID on the server and i put them "online" so it should be working fine but they're not. Please assist me in installing an operating system on these, i have no clue as to if it's the BIOS or the RAID controller within it. Thanks in advance, -Matt.

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  • Factory Reset Asus

    - by Ben
    I have an ASUS All-in-one PC (not sure what model) and I'm trying to perform a Factory Restore but nothing is working yet. I have tried pressing F8, all I had access to was "Restore from an earlier point" - Today was the earliest point; and "Restore from an Image" - which I don't have. I have tried pressing F9, F10, and F11, but all that brought me was options to Start Windows normally, Run a system diagnostic, or try other options (F8 menu). I don't have any other discs to restore from or anything, and I have found a tutorial to try and create a Partition(?) to load the restore from that. Does anyone have any other ideas?

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  • an error while restoring windows 7 from a restore point

    - by user178231
    When I make a restore point and I come back to restore the windows 7, it gives this error: No restore point have been created on your computer system drives, to create a restore point open system protection. I've made a restore point why does it give this error? What should I do? I completely know how to make restore points and I've made some on the laptop and other devices but in my computer which have windows 7 when I make restore point and when I want to use them it gives the error! Please help. I'm not English so can't speak it well.

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  • Copying windows 8 Users folder having long long paths

    - by bilal.haider
    I was trying to move my "Users" folder in Windows 8 as described here and here. But when I try to copy the folder using "xcopy" in Windows Installation Disk Repair Mode, after some files are copied, I get "insufficient memory". The files on which the error is given are like C:\Users\Bilal\Application Data\Application Data\Application Data.........Application Data\Application Data..... What is the point in such directories within directories? I also tried copying them using Mini Windows XP, but the problem was there too.. Also tried copying using Parted Magic Live CD... but still.. So now, how can I move them? Another Question. Is moving such/ system files using Linux a good idea? Does it do anything to permissions?

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  • Preferred OS for hosting Tomcat servlet container

    - by dacracot
    I know that I'm taking a risk, pitting the differing OS religions against each other, but I would like professional opinions about hosting a servlet container. In my case the container is set, we will be using Tomcat. But what is in question is the hosting operating system. We have administrators experienced in Windows Server 2003. We have developers experienced in Solaris, OSX, and Linux. There is no warring between these groups, just a question of who will ramp up through the learning curve necessary to use the OS that they are unfamiliar with. So given all the cooperative spirit, we are struggling with how to find the most efficient path. I had already cross-posted this question here.

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  • How to Shutdown PC by Pressing Power Button

    - by AgA
    I always Hibernate my PC. Sometimes when I boot, it does not recognize the mouse/keyboard or any USB devices. I've also setup it to go in sleep in 5 minutes. In that case I can't restart the PC so that USB starts working. When I press the Power button then it starts shutdown but asks confirmation twice one is for shutdown by force confirmation and then there is one more. When my USB is disabled I can't input these options. So I switch off the power. What I want is that upon pressing Power Button it should at once start shutdown without asking any more confirmations System details: Win-7 Home Premium 64 bit Intel i3 530 Asus P montherboard EDIT: It is Desktop PC

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  • Load Balancing a UDP server

    - by Hellfrost
    Hello StackOverflow, I have a udp server, it is a central part in my business process. in order to handle the loads I'm expecting in the production environment I'll probably need 2 or 3 instances of the server. The server is almost entirely stateless, it mostly collects data, and the layer above it knows how to handle the minimal amount of stale data that can arise from the the multiple server instances. My question is, how can I implement load balancing between the servers? I would prefer to distribute the requests as evenly as possible between the servers. I would also would like to have some fidelity, I mean if client X was routed to server y, then I want all of X's subsequent requests to go to server Y, as long as it is sensible and not overloads Y. By the way it is a .NET system... what would you recommend?

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  • How to solve my black screen at boot?

    - by Juanillo
    I've got a friend with a weird problem. When he starts his computer the screen is completely black until the computer is completely started. So the screen is black until it suddenly shows the Windows desktop. He said that this is happening since a technical service repaired his computer, but that repair is not now in warranty. Recently the computer stopped working, but as the screen is black he cannot access to BIOS or start in safe mode (by pressing F8). When he inserts the Windows Vista DVD the system doesn't boot from DVD (it mustn't be configured in this way in the BIOS). Maybe there´s a problem with the hardware (maybe the graphic card)? Can anyone explain a reason why the screen is black during start-up? Any idea of what to do with the computer to restore it?

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  • How can I remove LibUSB on Windows 7?

    - by Cokegod
    I've installed LibUSB, a software that modifies your USB driver so that programs can access it easily. I didn't know that in Windows 7 you have to run it in compatibility mode for Windows XP, so now my Windows 7 can't access any USB port (including keyboard and mouse). Now I can't access my computer at all, and I don't have any PS2 connection in my computer. I tried to run it in Safe Mode but it didn't change anything. I tried to run a system restore from before the installation of LibUSB, but all the restore points give me an error: "The instruction at 0x73888f18 referenced memory at 0x00000004. The memory could not be read." I also tried to run Hiren's Boot CD and remove all the files associated with LibUSB, but that didn't change anything. So how can I remove LibUSB and access my computer again without formatting my hard drive? (I have important things on it)

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  • How can I create bootable DOS usb stick?

    - by Grzenio
    I need to use this utility to change one of the parameters of my new WD hard drive: http://support.wdc.com/product/download.asp?groupid=609&sid=113&lang=en It has truly unreadable instructions: Extract wdidle3.exe onto a bootable medium (floppy, CD-RW, network drive, etc.). Boot the system with the hard drive to be updated to the medium where the update file was extracted to. Run the file by typing wdidle3.exe at the command prompt and press enter. I understand that this bootable medium should be some version of DOS? How can I make my USB stick a bootable medium compatible with this utility (I don't have a diskette drive)? I have Windows 7 and Debian Linux installed.

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  • Best way to export an icon from photoshop?

    - by Mudtail
    Hi, I'm writing a program to notify me of new email. It's mostly complete, I'm just working on the notifyicon code now. It's supposed to display the usual application icon with a box containing the count of unread emails inside it. I created icons for this in photoshop, exported them as 16x16 transparent PNGs, then converted them into windows ico files using ConvertIcon.com. Given that the image was 16x16 and the WinXP system tray uses 16x16 icons, I would assume the images would work. HOWEVER, when I start the application and get an email, the icon's all blurry: http://cyndle.com/bPJ7

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  • Clarification On Write-Caching Policy, Its Underlying Options And How It Applies To Hard Drives And Solid-State Drives

    - by Boris_yo
    In last week after doing more research on subject matter, I have been wondering about what I have been neglecting all those years to understand write-caching policy, always leaving it on default setting. Write-caching policy improves writing performance and consists of write-back caching and write-cache buffer flushing. This is how I understand all the above, but correct me if I erred somewhere: Write-through cache / Write-through caching itself is not a part of write caching policy per se and it's when data is written to both cache and storage device so if Windows will need that data later again, it is retrieved from cache and not from storage device which means only improved read performance as there is no need for waiting for storage device to read required data again. Since data is still written to storage device, write performance isn't improved and represents no risk of data loss or corruption in case of power failure or system crash while only data in cache gets lost. This option seems to be enabled by default and is recommended for removable devices with no need to use function of "Safely Remove Hardware" on user's part. Write-back caching is similar to above but without writing data to storage device, periodically releasing data from cache and writing to storage device when it is idle. In my opinion this option improves both read and write performance but represents risk if power failure or system crash occurs with the outcome of not only losing data eventually to be written to storage device, but causing file inconsistencies or corrupted file system. Write-back caching cannot be enabled together with write-through caching and it is not recommended to be enabled if no backup power supply is availabe. Write-cache buffer flushing I reckon is similar to write-back caching but enables immediate release and writing of data from cache to storage device right before power outage occurs but I don't know if it applies also to occasional system crash. This option seem to be complementary to write-back cache reducing or potentially eliminating risk of data loss or corruption of file system. I have questions about relevance of last 2 options to today's modern SSDs in order to get best performance and with less wear on SSDs: I know that traditional hard drives come with onboard cache (I wonder what type of cache that is), but do SSDs also come with cache? Assuming they do, is this cache faster than their NAND flash and system RAM and worth taking the risk of utilizing it by enabling write-back cache? I read somewhere that generally storage device's cache is faster than RAM, but I want to be sure. Additionally I read that write-caching should be enabled since current data that is to be written later to NAND flash is kept for a while in cache and provided there is data that gets modified a lot before finally being written, holding of this data and its periodic release reduces its write times to SSD thereby reducing its wearing. Now regarding to write-cache buffer flushing, I heard that SSD controllers are so fast by themselves that enabling this option is not required, because they manage flushing. However, once again, I don't know if SSDs have their own onboard cache and whether or not it is faster than their NAND flash and system RAM because if it is, keeping this option enabled would make sense. Recently I have posted question about issue with my Intel 330 SSD 120GB which was main reason to do deeper research having suspicion of write-caching policy being the culprit of SSD's freezing issue assuming data being released is what causes freezes. Currently I have write-cache enabled and write-cache buffer flushing disabled because I believe SSD controller's management of write-cache flushing and Windows write-cache buffer flushing are conflicting with each other: Since I want to troubleshoot in small steps to finally determine the source of issue, I have decided to start with write-caching policy and the move to drivers, switching to AHCI later on and finally disabling DIPM (device initiated power management) through registry modification thanks to @TomWijsman

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  • Black screen during startup

    - by Juanillo
    Hello, I've got a friend with a weird problem. When he starts his computer the screen is completely black untile the computer is completely started. So the screen is black until it suddenly shows the windows desktop. He said that this is happening since a technical service repaired his computer, but that repairment is not now in warranty. Recently the computer stopped working, but as the screen is black he cannot access to Bios or to secure start-up (by pressing F8). When he inserts the Windows Vista DVD the system doesn't boot from DVD (it musn't be configured in this way in the Bios.) Maybe there´s a problem with the hardware (maybe the graphic card). Can anyone explain a reason why the screen is black during start-up? Any idea of what to do with the computer to restore it? Thanks.

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